package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.catalina.LifecycleState;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

/**
 * 购物车模块
 */
@Mapper
public interface ShoppingCartMapper {
    /**
     * 动态条件查询
     *
     * @param shoppingCart
     * @return
     */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**
     * 根据id修改商品数量
     *
     * @param shoppingCart
     */
    @Update("update shopping_cart set number=#{number} where id=#{id}")
    void updateNumberById(ShoppingCart shoppingCart);

    /**
     * 添加购物车
     *
     * @param shoppingCart
     */
    @Insert("insert into sky_take_out.shopping_cart (name, image, user_id, dish_id, setmeal_id, dish_flavor, number, amount, create_time) " +
            "values ( #{name}, #{image}, #{userId}, #{dishId}, #{setmealId}, #{dishFlavor}, #{number}, #{amount},#{createTime})")
    void insert(ShoppingCart shoppingCart);

    /**
     * 清空购物车
     *
     * @param userId
     */
    @Delete("delete from sky_take_out.shopping_cart where id=#{userId}")
    void deleteByUserId(Long userId);
}
